Older baby-faced actors who played young

Cutlines by Lisa Wilton, QMI AgencySissy Spacek was 27 years old when she scared the bejesus out of moviegoers as troubled teen Carrie White in the classic 1976 thriller, Carrie.

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In the new Carrie, Chloe Grace Moretz, an actual teenager, takes on the title role. Director Kimberley Peirce says with the advent of digital shooting and savvier audiences, it's more difficult for filmmakers to get away with using older actors."I think you'd have trouble if you didn't cast people who were somewhere around the right age," she says.But these five actors managed to pull off characters at least a decade younger than them:

Michael J. Fox: By the time Back to the Future III rolled around in 1990, Marty McFly was still just 17, but Fox was going on 30.

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Audrey Hepburn: As Holly Golightly in Breakfast at Tiffany's, the lovely Hepburn played one of the most complex and sophisticated teenagers to appear on screen. The sophistication probably came from the fact she was 32 at the time.

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Stockard Channing: Perhaps one of the oldest actors to play a high school senior, Channing was 34 years old when she played Pink Lady Betty Rizzo in the wildly popular 1978 musical, Grease. In fact, most of the main cast members were in their twenties and early thirties.